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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-04-29 16:17:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 18:28:13 -0700 |
| commit | d0380e6c3c0f6edb986d8798a23acfaf33d5df23 (patch) | |
| tree | 454ea23060995d2e1326962cedfd6e86a335629d /include | |
| parent | 07c65f4d1aa74f7cf1c46d7f96e05cfa3e628ba1 (diff) | |
| download | linux-d0380e6c3c0f6edb986d8798a23acfaf33d5df23.tar.gz linux-d0380e6c3c0f6edb986d8798a23acfaf33d5df23.tar.bz2 linux-d0380e6c3c0f6edb986d8798a23acfaf33d5df23.zip | |
early_printk: consolidate random copies of identical code
The early console implementations are the same all over the place. Move
the print function to kernel/printk and get rid of the copies.
[akpm@linux-foundation.org: arch/mips/kernel/early_printk.c needs kernel.h for va_list]
[paul.gortmaker@windriver.com: sh4: make the bios early console support depend on EARLY_PRINTK]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Richard Weinberger <richard@nod.at>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/console.h | 1 | ||||
| -rw-r--r-- | include/linux/printk.h | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/console.h b/include/linux/console.h index 29680a8cda99..73bab0f58af5 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -141,6 +141,7 @@ struct console { for (con = console_drivers; con != NULL; con = con->next) extern int console_set_on_cmdline; +extern struct console *early_console; extern int add_preferred_console(char *name, int idx, char *options); extern int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options); diff --git a/include/linux/printk.h b/include/linux/printk.h index 822171fcb1c8..1c35c23bccd7 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -95,8 +95,14 @@ int no_printk(const char *fmt, ...) return 0; } +#ifdef CONFIG_EARLY_PRINTK extern asmlinkage __printf(1, 2) void early_printk(const char *fmt, ...); +void early_vprintk(const char *fmt, va_list ap); +#else +static inline __printf(1, 2) __cold +void early_printk(const char *s, ...) { } +#endif #ifdef CONFIG_PRINTK asmlinkage __printf(5, 0) |